{
  "aliases": null,
  "backlinks": [
    {
      "field": "uses",
      "target": "PG8ZH3ZQ88"
    }
  ],
  "body": "\n## Definition\n\nA *continuum* is a nonempty [[metric space|0VKD1TP7F3]] that is [[compact|0TVJZYB6SH]] and [[connected|0V032VWTHD]].\nA continuum is *nondegenerate* if it has more than one point.\nA *subcontinuum* of a continuum $X$ is a subset of $X$ that is a continuum in the induced metric.\n\n## Remarks\n\nThe closed interval $[0, 1]$ is a continuum: it is compact by the Heine–Borel theorem and connected because it is an [[interval|0Q1D85B8G6]].\nThe set $[0, 1] \\cup [2, 3]$ is compact but not connected, so it is not a continuum.\nSome authors define a continuum as a nonempty compact connected [[Hausdorff space|0S1FJ8VEX9]], and call the metric ones metric continua.\nThe intersection of a decreasing sequence of continua is a continuum.\n\n## Explanations\n\n### L1 human\n\nA continuum is a compact space in one piece.\nArcs, circles and filled squares are continua.\n",
  "commit": "547b6eddb8f2feb8d579f2d633d22a27b7e132fc",
  "front": {
    "defines": "NJQ196M1WR",
    "kind": "definition",
    "msc": [
      "54F15"
    ],
    "name": "Continuum",
    "sources": [
      {
        "url": "https://en.wikipedia.org/wiki/Continuum_(topology)"
      }
    ],
    "tag": "HG4S5HNWXF",
    "uses": [
      "0VKD1TP7F3",
      "0TVJZYB6SH",
      "0V032VWTHD",
      "0S1FJ8VEX9"
    ]
  },
  "kind": "definition",
  "link": "https://math2.tamnd.com/node/HG4S5HNWXF/",
  "links": [
    {
      "field": "defines",
      "target": "NJQ196M1WR"
    },
    {
      "field": "uses",
      "target": "0VKD1TP7F3"
    },
    {
      "field": "uses",
      "target": "0TVJZYB6SH"
    },
    {
      "field": "uses",
      "target": "0V032VWTHD"
    },
    {
      "field": "uses",
      "target": "0S1FJ8VEX9"
    }
  ],
  "markdown": "https://math2.tamnd.com/node/HG4S5HNWXF.md",
  "msc": [
    "54F15"
  ],
  "name": "Continuum",
  "prov": null,
  "role": "",
  "source": "https://github.com/tamnd/math2/blob/main/nodes/HG4/HG4S5HNWXF.md",
  "status": null,
  "tag": "HG4S5HNWXF",
  "uri": "m2://HG4S5HNWXF",
  "url": "https://math2.tamnd.com/wiki/continuum-definition/",
  "writing": {
    "tag": "HG4S5HNWXF",
    "kind": "definition",
    "level": "W0",
    "next": [
      {
        "what": "an inventory row",
        "note": "the row of the inventory that the node accounts for",
        "have": 0,
        "want": 1
      },
      {
        "what": "a source with a locator",
        "have": 0,
        "want": 1
      }
    ]
  }
}
